B1D12 RAM Code - Passenger Mirror Position Sensor Power Supply Circuit Low
Quick Answer
When the Passenger Door Module (PDM) senses voltage below 4.3 volts on the Passenger Mirror Position Sensor Supply Circuit for over 30 ms., this Diagnostic Trouble Code (DTC) will set. Common causes include Faulty Passenger Mirror, Passenger Mirror harness is open or shorted, Passenger Mirror circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B1D12 RAM indicates Passenger Mirror Position Sensor Power Supply Circuit Low.
- Common causes
- Common causes include Faulty Passenger Mirror, Passenger Mirror harness is open or shorted, Passenger Mirror circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B1D12 RAM Description
What are the Possible Causes of the DTC B1D12 RAM?
- Faulty Passenger Mirror
- Passenger Mirror harness is open or shorted
- Passenger Mirror circuit poor electrical connection
- Faulty Passenger Door Module (PDM)
How to Fix the DTC B1D12 RAM?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1D12 RAM code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the B1D12 RAM code?
Need more information on how to fix the B1D12 RAM code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B1D12 RAM code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B1D12 RAM Code
1. What does the OBDII code B1D12 mean?
The code B1D12 indicates a problem with the passenger mirror position sensor power supply circuit, specifically showing a low voltage condition.
2. What are the symptoms of the B1D12 code?
Common symptoms include the passenger-side mirror not adjusting properly, the mirror being unresponsive, or intermittent functionality.
3. What causes the B1D12 code to appear?
Causes may include a faulty mirror position sensor, damaged wiring, a poor electrical connection, or a malfunctioning control module.
4. Can I drive with the B1D12 code?
Yes, you can drive, but the passenger mirror may not function correctly, which could impact visibility and safety.
5. How is the B1D12 code diagnosed?
A technician will inspect the wiring and connectors, test the power supply voltage to the sensor, and check the mirror position sensor itself for faults.
6. How do you fix the B1D12 code?
Repairs may involve replacing the mirror position sensor, repairing damaged wiring, or securing loose electrical connections.
7. How much does it cost to fix the B1D12 code?
The repair cost varies but typically falls between $100 and $300, depending on whether the issue is with the sensor or the wiring.
8. Can I fix the B1D12 code myself?
If you have experience with electrical components, you can inspect and repair wiring or replace the sensor. Otherwise, professional help is recommended.
9. What tools are needed to diagnose the B1D12 code?
You’ll need an OBDII scanner, a multimeter to test voltage, and basic hand tools for inspecting and repairing wiring.
10. Will clearing the code fix the B1D12 issue?
Clearing the code without addressing the underlying issue will only temporarily remove it. The problem will persist until properly repaired.
Discuss the causes and fixes for B1D12 RAM OBDII Code
Code B1D12 RAM comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.